How to repair the CO2 laser power supply?
First judge whether it is a laser power failure. CO2 laser machines are widely used in laser engraving and laser cutting. They mainly consist of light-emitting systems, motion systems, and control systems. For easy failure phenomena, please refer to CO2 laser machine failure judgment and maintenance. This is just simple Introduce the judgment and troubleshooting of CO2 laser power supply failure.
No laser output when working
1. First check whether the laser tube itself emits light (test whether it emits light at the light exit port of the laser tube). If the light is emitted normally, check whether the lens is damaged and whether the optical path is offset.
2. There is no light at the light outlet of the laser tube, check whether the water circulation is normal (see whether the water flow in the water pipe is smooth).
3. The water circulation is normal. Check whether the laser power indicator is on and the fan is running. If the light is not on and the fan does not turn, first check whether the AC input 220V or 110V is normal.
4. The 220V or 110V AC input of the laser power supply is normal. First, unplug the 6-wire green control wire terminal on the laser power supply, and press "TEST" to manually emit light.
Can emit light normally
It means that the laser tube and power supply are normal. The problem lies in the control circuit. Plug in the 6-wire green terminal control line and short-circuit WP and G. If light is emitted, the water protection switch is broken; if light is not emitted, short TL and G. Check if there is light.
If the light cannot be emitted or the light is weak, it means that the laser power supply or the laser tube is faulty. If there is a spare laser power supply, or a double-head machine, or more than 2 laser machines, you can replace the normal laser power supply to eliminate the laser power supply problem. It is very important to have a spare laser power supply. If a problem does not affect production, it is convenient to find and troubleshoot.